PubMed:31994742 / 408-410
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T69","span":{"begin":0,"end":2},"obj":"CD"}],"text":"26"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok76","span":{"begin":0,"end":2},"obj":"CD"}],"text":"26"}